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| Number | Title | Issue Date |
| 8067659 | Method of removing radioactive materials from a submerged state and/or preparing spent nuclear fuel for dry storage A system, apparatus and method of processing and/or removing radioactive materials from a body of water that utilizes the buoyancy of the water itself to minimize the load experienced by a crane and/or other lifting equipment. In one aspect, the invention is a metho... | 11/29/2011 |
| 7737319 | Treating radioactive materials Methods of treating radioactive materials are disclosed. In one aspect, a method may include mixing a radioactive isotope diluted in a filler material with a radioactive material treatment composition to form a resulting material. The radioactive material treatment ... | 06/15/2010 |
| 7390934 | Apparatus and method for aiding in the removal of enriched uranium from soils A method and apparatus for removing uranium (IV) and uranium (VI) from sands and soils. The method and device assays a volume of soil and determines a presence and position of uranium enrichment. A concentration of uranium enrichment is determined, and compared to a... | 06/24/2008 |
| 7365237 | Liquid metal reactor and method for treating materials in a liquid metal reactor A target material (60) to be treated in a liquid reactant metal is loaded into a containment area defined within a liquid reactant metal treatment vessel (11). The containment area is then placed below the level (L) of the liquid reactant metal in the ... | 04/29/2008 |
| 7351989 | Fiber-reinforced concrete cask, supporting frame for molding thereof and process for producing the concrete cask The object of this invention is to provide a fiber-reinforced concrete cask that ensures easy working, enables reducing working cost, excels in strength, durability and heat resistance and enables minimizing cracking; a process for fabrication of the same; and a sup... | 04/01/2008 |
| 7347391 | Waste processing apparatus and method The present invention includes an apparatus and method for processing solid waste products. The apparatus comprises a rotatably mounted cylindrical vessel having a first end, a second end and an interior surface, at least one end terminating in a hatch that may be o... | 03/25/2008 |
| 7330526 | System and method of storing high level waste A system and method for storing high level waste. In one aspect, the invention is a system comprising: an inner shell forming a cavity for receiving high level waste, the cavity having a top and a bottom; an outer shell surrounding the inner shell so as to form a sp... | 02/12/2008 |
| 7300641 | Method and device for capturing ruthenium present in a gaseous effluent The present invention relates to a method and a device for trapping ruthenium present in a gaseous effluent. The trapping method of the present invention comprises the use of an aqueous solution or slurry of an alkylene glycol polymer or an alkylene glycol copolymer... | 11/27/2007 |
| 7214318 | Method for separation of actinide elements A method for separation of actinide elements comprising feeding a solution containing actinide elements such as americium, curium, californium and the like, into a resin column in which a weakly basic primary, secondary or tertiary anion exchange resin obtained by r... | 05/08/2007 |
| 7210247 | Forced gas flow canister dehydration The present invention provides a method and system for ensuring that cavities used to store radioactive elements are adequately dried without intrusive measuring. In one aspect the invention is a system for drying a cavity loaded with radioactive elements, the loade... | 05/01/2007 |
| 7211551 | Universal cleaner that cleans tough oil, grease and rubber grime and that is compatible with many surfaces including plastics Versatile cleaning composition that has tremendous cleaning power, yet is compatible with many surfaces. For example, the cleaning composition easily cleans oil, grease, tar, and rubber from soiled surfaces, but does not damage metals, vehicle paints, concrete, plas... | 05/01/2007 |
| 7195745 | Method of preparing a product based on phosphate of thorium and/or actinide(s) The invention relates to a process for the preparation of a product based on a phosphate of at least one element M(IV), for example of thorium and/or of actinide(IV)(s). This process comprises the following stages: a) mixing... | 03/27/2007 |
| 7160466 | Uses of cucurbituril devices Uses of cucurbituril derivatives are disclosed. The cucurbituril derivatives have the formula (1) where X is O, S or NH; R1 and R2 are independently selected from the group consisting of hyd... | 01/09/2007 |
| 7148393 | Ion-specific radiodecontamination method and treatment for radiation patients A surface contaminated by a radioactive isotope is cleaned by applying to it a solution that contains an ion-specific resin that is weakly bonded to an ion and a weak anion solution including a carrier, water, and an ion that frees the radioactive isotope from the c... | 12/12/2006 |
| 7144725 | Removal of toxic/hazardous chemicals absorbed in building materials A method of removing pollutants from porous, solid materials uses a biomass loaded onto a support. The biomass is put into contact with a pollutant contaminated porous, solid material so that the bacterial biomass degrades the pollutant. The moisture level of the su... | 12/05/2006 |
| 7114508 | Cleaning apparatus having multiple wash tanks for carbon dioxide dry cleaning and methods of using same Cleaning apparatus having multiple wash tanks for washing articles in a carbon dioxide dry cleaning system employing a liquid carbon dioxide cleaning solution are provided. Cleaning apparatus having multiple wash tanks of the present invention may provide improved t... | 10/03/2006 |
| 7114880 | Process for the excavation of buried waste Disclosed is a method of excavating large quantities of non-homogenous radioactive contaminated waste, desirably without releasing radioactive contaminated dust or exposing personnel to its hazards. The excavation of buried waste is performed in the presence of a su... | 10/03/2006 |
| 7108784 | Apparatus for removal and destruction of ammonia from an aqueous medium Methods and apparatuses are provided for the removal and destruction of ammonia from an aqueous medium. The methods and apparatuses include the removal of ammonia from an aqueous medium by contact with either natural or synthetic zeolite. The spent zeolite is re-gen... | 09/19/2006 |
| 7107287 | Method, system and storage medium for automated independent technical review An exemplary embodiment is a method and system for performing an automated independent technical review. The method includes receiving an assay result of a radioactive waste container, determining whether the assay result is within a predetermined parameter, determi... | 09/12/2006 |
| 7096600 | Forced gas flow canister dehydration The present invention provides a method and system for ensuring that cavities used to store radioactive elements are adequately dried without intrusive measuring. In one aspect the invention is a method of drying a cavity loaded with radioactive elements, the loaded... | 08/29/2006 |
| 7092084 | System and method for sensing a characteristic of a fluid and related apparatus An apparatus for intended use in measuring, sensing, or detecting a characteristic of a fluid, such as a liquid food product, is disclosed. The apparatus includes a body having a pocket for positioning adjacent to the opening in a pipe or like structure for receivin... | 08/15/2006 |
| 7087120 | System and method for chemical decontamination of radioactive material A method for chemically decontaminating radioactive material. The method includes reducing-dissolving step for setting surface of radioactive material in contact with reducing decontamination liquid including mono-carboxylic acid and di-carboxylic acid as dissolvent... | 08/08/2006 |
| 7083763 | Feeding system for fuel gas generator A feed system for loading waste into a fuel gas generator system where the feed system is made of a walled container wherein the outer container back has an outer back hole and the inner container back has an inner back hole, and wherein the holes are aligned and a ... | 08/01/2006 |
| 7034197 | Metal alloy and metal alloy storage product for storing radioactive materials A liquid reactant metal alloy includes at least one chemically active metal for reacting with non-radioactive material in a mixed waste stream being treated. The reactant alloy also includes at least one radiation absorbing metal. Radioactive isotopes in the waste s... | 04/25/2006 |
| 7034198 | Method for decomposing plastic A conventional method of pyrolytically decomposing plastic to make low-molecular compounds is poor in efficiency of use of energy due to high heating temperatures (at least 600° C. and 800° C. at maximum). The invention provides that a functional powder is ... | 04/25/2006 |
| 7026146 | Encapsulation method for maintaining biodecontamination activity A method for maintaining the viability and subsequent activity of microorganisms utilized in a variety of environments to promote biodecontamination of surfaces. One application involves the decontamination of concrete surfaces. Encapsulation of microbial influenced... | 04/11/2006 |
| 7022292 | Radioactive waste treatment facility An injection and solidification operation as well as a kneading and solidification operation can be performed by a single facility. A decreased amount of radioactive secondary waste is generated. A solidifying agent paste is prepared by kneading a solidifying agent ... | 04/04/2006 |
| 6997599 | Waste mud agitation system An agitation system for a mud tank to prevent core material initially suspended in the drilling mud, from settling. The method agitates sludge and eliminates the need to hand shovel sludge from the tank after dumping. The method comprises the step of pumping mud tak... | 02/14/2006 |
| 6973154 | Method of chemical decontamination and system therefor In a chemical decontamination method of chemically decontaminating radioactive nuclides from a metallic material, oxalic acid and hydrazine are injected as a reductive decontaminating agent into water that is in contact with the metallic material. Injection of the h... | 12/06/2005 |
| 6922455 | Gas-target neutron generation and applications Described herein are integrated systems for generating neutrons to perform a variety of tasks including: on-line analysis of bulk material and industrial process control (as shown in FIG. 1), security interrogation (as shown in FIG. 2), soil and enviro... | 07/26/2005 |
| 6921515 | Apparatus for chemical decontamination In a chemical decontamination apparatus, a catalyst decomposition column in an upstream side of an ion exchange resin column and a hydrogen peroxide injection apparatus in a further upstream side, reduce the amount of waste products caused by a chemical decontaminat... | 07/26/2005 |
| 6907891 | Radioactive substance decontamination method and apparatus A radioactive substance decontamination method and apparatus which decontaminates a metal member contaminated by radioactive substance in a short period of time. This apparatus has (1) multiple reducing decontamination tanks having different radiation control values... | 06/21/2005 |
| 6818188 | Radioactive waste treatment facility An injection and solidification operation as well as a kneading and solidification operation can be performed by a single facility. A decreased amount of radioactive secondary waste is generated. A solidifying agent paste is prepared by kneading a solidifying agent ... | 11/16/2004 |
| 6724853 | Lifting lug for nuclear-waste container A lifting lug for a nuclear-waste container has a tubular body having an inner end formed with a flange adapted to be bolted to the container and a transverse wall set in and tightly fitted to a smaller-diameter outer end of the tubular body. The wall is a separate ... | 04/20/2004 |
| 6714617 | Disposal of radiation waste in glacial ice Encapsulating calcined radioactive waste in strong, corrosion-resistant spheres of dimensions such that heat from the radiation melts the ice at a rate which brings the spheres to the bottom of the permanent icefield in a relatively short time, with the resulting wa... | 03/30/2004 |
| 6705242 | Method and apparatus for hermetically sealing openings of an explosion containment chamber A method and apparatus to hermetically seal openings in an explosion suppression chamber. The present invention utilizes an air lock device to ensure that, in the event toxins are released from the primary explosion chamber opening closing means, the toxins are prop... | 03/16/2004 |
| 6652661 | Radioactive decontamination and translocation method A method for removing a wide variety of radioactive contaminants from a contaminated surface sufficient for the surface to be classified as a low-level waste or as free release. Contaminated surfaces may be classified as Class C, Class B, Class A, or high... | 11/25/2003 |
| 6623643 | Process for treatment of aqueous environments containing a water soluble polymer A process wherein the use of a degradation-enhancing reactant or a precursor thereof, e.g., an oxidizing agent, can effectively increase the rate of reaction for the degradation of polymers in an aqueous environment and thereby facilitate the disposal of ... | 09/23/2003 |
| 6625248 | Process for the treatment of radioactive graphite A process for the treatment of radioactive graphite which includes the following steps: (i) reacting the radioactive graphite at a temperature in the range of from 250° C. to 900° C. with superheated steam or gases containing water vapor to form hydroge... | 09/23/2003 |
| 6613153 | Method for reducing the radioactivity of metal part The radioactivity of a metal part is reduced in the process. In the method, firstly a layer of oxide is removed from the metal part using a decontamination solution. Then, an agent which has an oxidizing action and is still present is removed from the dec... | 09/02/2003 |
